28" x 28" Cube Core Eggcrate Return Air Grille return grille 4" X 10" Is The

4" X 10" Is The Size For The Duct Opening (floor/vent hole) Measurement Only

this grille boasts a sleek frame that ensures a refined and seamless look

actual front end outer dimensions are approximately 28 5/8" width X 24 5/8" height

+ Product Details Size - 12"w X 12"h is the size for the duct opening measurement only

+ Product Details Size – 12"w X 12"h

28" x 28" Cube Core Eggcrate Return Air Grille return grille 4" X 10" Is The+ Product Details Size 28" x 28" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 29. 75" X 29. 75". High Quality High quality, rust free aluminum construction with smooth finished edges and counter sunk screw holes (screws included); no sharp edges.. Installation Location sidewall and ceiling. Design Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric